Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Shielded/sealed type
  • Non-contact sealed
>

Bearing No. 6904 2RU

Specifications
(Boundary dimensions ...etc)

d(mm)20
D(mm)37
B(mm)9
r(min.)(mm)0.3
Basic load ratings : Cr(kN)7.95
Basic load ratings : C0r(kN)3.70
Fatigue load limit : Cu(kN)0.190
factor : f0()14.7
Limiting speeds(Grease lub.)(min-1)19000
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)22
da(max.)(mm)23.5
Da(max.)(mm)35
ra(max.)(mm)0.3

Refer.

(Refer.)Mass(kg) 0.036
JTEKT

2025/05/10